1. Dramaturgy is a branch of the theatrical arts which involves bringing productions to life on the stage. - WiseGeek
2. Dramaturgy is the art or technique of dramatic composition and theatrical representation. - Merriam-Webster
3. Dramaturgy is a "treatment of time and space, the configuration of characters in the dramatic universe, the sequential organization of the episodes of the Story. . . . action, story, fable, catastrophy, rules, unities, etc." - Patrice Pavis in Languages of the Stage
Picture Above: Portrait of Gotthold Ephraim Lessing, a German man who is mostly considered for being the first modern, dramatic dramturg.